$this->setVar( '_InstallUser',
$option['installdbuser'] );
$this->setVar( '_InstallPassword',
- isset( $option['installdbpass'] ) ? $option['installdbpass'] : "" );
+ $option['installdbpass'] ?? "" );
// Assume that if we're given the installer user, we'll create the account.
$this->setVar( '_CreateDBAccount', true );